| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr_arch_file_io.h" |
| #include "apr_file_io.h" |
| #include "apr_general.h" |
| #include "apr_strings.h" |
| #include "apr_errno.h" |
| |
| #ifdef HAVE_UTIME |
| #include <utime.h> |
| #endif |
| |
| static apr_filetype_e filetype_from_mode(mode_t mode) |
| { |
| apr_filetype_e type; |
| |
| switch (mode & S_IFMT) { |
| case S_IFREG: |
| type = APR_REG; break; |
| case S_IFDIR: |
| type = APR_DIR; break; |
| case S_IFLNK: |
| type = APR_LNK; break; |
| case S_IFCHR: |
| type = APR_CHR; break; |
| case S_IFBLK: |
| type = APR_BLK; break; |
| #if defined(S_IFFIFO) |
| case S_IFFIFO: |
| type = APR_PIPE; break; |
| #endif |
| #if !defined(BEOS) && defined(S_IFSOCK) |
| case S_IFSOCK: |
| type = APR_SOCK; break; |
| #endif |
| |
| default: |
| /* Work around missing S_IFxxx values above |
| * for Linux et al. |
| */ |
| #if !defined(S_IFFIFO) && defined(S_ISFIFO) |
| if (S_ISFIFO(mode)) { |
| type = APR_PIPE; |
| } else |
| #endif |
| #if !defined(BEOS) && !defined(S_IFSOCK) && defined(S_ISSOCK) |
| if (S_ISSOCK(mode)) { |
| type = APR_SOCK; |
| } else |
| #endif |
| type = APR_UNKFILE; |
| } |
| return type; |
| } |
| |
| static void fill_out_finfo(apr_finfo_t *finfo, struct_stat *info, |
| apr_int32_t wanted) |
| { |
| finfo->valid = APR_FINFO_MIN | APR_FINFO_IDENT | APR_FINFO_NLINK |
| | APR_FINFO_OWNER | APR_FINFO_PROT; |
| finfo->protection = apr_unix_mode2perms(info->st_mode); |
| finfo->filetype = filetype_from_mode(info->st_mode); |
| finfo->user = info->st_uid; |
| finfo->group = info->st_gid; |
| finfo->size = info->st_size; |
| finfo->inode = info->st_ino; |
| finfo->device = info->st_dev; |
| finfo->nlink = info->st_nlink; |
| apr_time_ansi_put(&finfo->atime, info->st_atime); |
| #ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC |
| finfo->atime += info->st_atim.tv_nsec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_ATIMENSEC) |
| finfo->atime += info->st_atimensec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_ATIME_N) |
| finfo->ctime += info->st_atime_n / APR_TIME_C(1000); |
| #endif |
| |
| apr_time_ansi_put(&finfo->mtime, info->st_mtime); |
| #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC |
| finfo->mtime += info->st_mtim.tv_nsec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC) |
| finfo->mtime += info->st_mtimensec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_MTIME_N) |
| finfo->ctime += info->st_mtime_n / APR_TIME_C(1000); |
| #endif |
| |
| apr_time_ansi_put(&finfo->ctime, info->st_ctime); |
| #ifdef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC |
| finfo->ctime += info->st_ctim.tv_nsec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_CTIMENSEC) |
| finfo->ctime += info->st_ctimensec / APR_TIME_C(1000); |
| #elif defined(HAVE_STRUCT_STAT_ST_CTIME_N) |
| finfo->ctime += info->st_ctime_n / APR_TIME_C(1000); |
| #endif |
| |
| #ifdef HAVE_STRUCT_STAT_ST_BLOCKS |
| #ifdef DEV_BSIZE |
| finfo->csize = (apr_off_t)info->st_blocks * (apr_off_t)DEV_BSIZE; |
| #else |
| finfo->csize = (apr_off_t)info->st_blocks * (apr_off_t)512; |
| #endif |
| finfo->valid |= APR_FINFO_CSIZE; |
| #endif |
| } |
| |
| apr_status_t apr_file_info_get_locked(apr_finfo_t *finfo, apr_int32_t wanted, |
| apr_file_t *thefile) |
| { |
| struct_stat info; |
| |
| if (thefile->buffered) { |
| apr_status_t rv = apr_file_flush_locked(thefile); |
| if (rv != APR_SUCCESS) |
| return rv; |
| } |
| |
| if (fstat(thefile->filedes, &info) == 0) { |
| finfo->pool = thefile->pool; |
| finfo->fname = thefile->fname; |
| fill_out_finfo(finfo, &info, wanted); |
| return (wanted & ~finfo->valid) ? APR_INCOMPLETE : APR_SUCCESS; |
| } |
| else { |
| return errno; |
| } |
| } |
| |
| APR_DECLARE(apr_status_t) apr_file_info_get(apr_finfo_t *finfo, |
| apr_int32_t wanted, |
| apr_file_t *thefile) |
| { |
| struct_stat info; |
| |
| if (thefile->buffered) { |
| apr_status_t rv = apr_file_flush(thefile); |
| if (rv != APR_SUCCESS) |
| return rv; |
| } |
| |
| if (fstat(thefile->filedes, &info) == 0) { |
| finfo->pool = thefile->pool; |
| finfo->fname = thefile->fname; |
| fill_out_finfo(finfo, &info, wanted); |
| return (wanted & ~finfo->valid) ? APR_INCOMPLETE : APR_SUCCESS; |
| } |
| else { |
| return errno; |
| } |
| } |
| |
| APR_DECLARE(apr_status_t) apr_file_perms_set(const char *fname, |
| apr_fileperms_t perms) |
| { |
| mode_t mode = apr_unix_perms2mode(perms); |
| |
| if (chmod(fname, mode) == -1) |
| return errno; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_file_attrs_set(const char *fname, |
| apr_fileattrs_t attributes, |
| apr_fileattrs_t attr_mask, |
| apr_pool_t *pool) |
| { |
| apr_status_t status; |
| apr_finfo_t finfo; |
| |
| /* Don't do anything if we can't handle the requested attributes */ |
| if (!(attr_mask & (APR_FILE_ATTR_READONLY |
| | APR_FILE_ATTR_EXECUTABLE))) |
| return APR_SUCCESS; |
| |
| status = apr_stat(&finfo, fname, APR_FINFO_PROT, pool); |
| if (status) |
| return status; |
| |
| /* ### TODO: should added bits be umask'd? */ |
| if (attr_mask & APR_FILE_ATTR_READONLY) |
| { |
| if (attributes & APR_FILE_ATTR_READONLY) |
| { |
| finfo.protection &= ~APR_UWRITE; |
| finfo.protection &= ~APR_GWRITE; |
| finfo.protection &= ~APR_WWRITE; |
| } |
| else |
| { |
| /* ### umask this! */ |
| finfo.protection |= APR_UWRITE; |
| finfo.protection |= APR_GWRITE; |
| finfo.protection |= APR_WWRITE; |
| } |
| } |
| |
| if (attr_mask & APR_FILE_ATTR_EXECUTABLE) |
| { |
| if (attributes & APR_FILE_ATTR_EXECUTABLE) |
| { |
| /* ### umask this! */ |
| finfo.protection |= APR_UEXECUTE; |
| finfo.protection |= APR_GEXECUTE; |
| finfo.protection |= APR_WEXECUTE; |
| } |
| else |
| { |
| finfo.protection &= ~APR_UEXECUTE; |
| finfo.protection &= ~APR_GEXECUTE; |
| finfo.protection &= ~APR_WEXECUTE; |
| } |
| } |
| |
| return apr_file_perms_set(fname, finfo.protection); |
| } |
| |
| |
| APR_DECLARE(apr_status_t) apr_file_mtime_set(const char *fname, |
| apr_time_t mtime, |
| apr_pool_t *pool) |
| { |
| apr_status_t status; |
| apr_finfo_t finfo; |
| |
| status = apr_stat(&finfo, fname, APR_FINFO_ATIME, pool); |
| if (status) { |
| return status; |
| } |
| |
| #ifdef HAVE_UTIMES |
| { |
| struct timeval tvp[2]; |
| |
| tvp[0].tv_sec = apr_time_sec(finfo.atime); |
| tvp[0].tv_usec = apr_time_usec(finfo.atime); |
| tvp[1].tv_sec = apr_time_sec(mtime); |
| tvp[1].tv_usec = apr_time_usec(mtime); |
| |
| if (utimes(fname, tvp) == -1) { |
| return errno; |
| } |
| } |
| #elif defined(HAVE_UTIME) |
| { |
| struct utimbuf buf; |
| |
| buf.actime = (time_t) (finfo.atime / APR_USEC_PER_SEC); |
| buf.modtime = (time_t) (mtime / APR_USEC_PER_SEC); |
| |
| if (utime(fname, &buf) == -1) { |
| return errno; |
| } |
| } |
| #else |
| return APR_ENOTIMPL; |
| #endif |
| |
| return APR_SUCCESS; |
| } |
| |
| |
| APR_DECLARE(apr_status_t) apr_stat(apr_finfo_t *finfo, |
| const char *fname, |
| apr_int32_t wanted, apr_pool_t *pool) |
| { |
| struct_stat info; |
| int srv; |
| |
| if (wanted & APR_FINFO_LINK) |
| srv = lstat(fname, &info); |
| else |
| srv = stat(fname, &info); |
| |
| if (srv == 0) { |
| finfo->pool = pool; |
| finfo->fname = fname; |
| fill_out_finfo(finfo, &info, wanted); |
| if (wanted & APR_FINFO_LINK) |
| wanted &= ~APR_FINFO_LINK; |
| return (wanted & ~finfo->valid) ? APR_INCOMPLETE : APR_SUCCESS; |
| } |
| else { |
| #if !defined(ENOENT) || !defined(ENOTDIR) |
| #error ENOENT || ENOTDIR not defined; please see the |
| #error comments at this line in the source for a workaround. |
| /* |
| * If ENOENT || ENOTDIR is not defined in one of the your OS's |
| * include files, APR cannot report a good reason why the stat() |
| * of the file failed; there are cases where it can fail even though |
| * the file exists. This opens holes in Apache, for example, because |
| * it becomes possible for someone to get a directory listing of a |
| * directory even though there is an index (eg. index.html) file in |
| * it. If you do not have a problem with this, delete the above |
| * #error lines and start the compile again. If you need to do this, |
| * please submit a bug report to http://www.apache.org/bug_report.html |
| * letting us know that you needed to do this. Please be sure to |
| * include the operating system you are using. |
| */ |
| /* WARNING: All errors will be handled as not found |
| */ |
| #if !defined(ENOENT) |
| return APR_ENOENT; |
| #else |
| /* WARNING: All errors but not found will be handled as not directory |
| */ |
| if (errno != ENOENT) |
| return APR_ENOENT; |
| else |
| return errno; |
| #endif |
| #else /* All was defined well, report the usual: */ |
| return errno; |
| #endif |
| } |
| } |
| |
| |
